linux-kernel - Re: [PATCH 02/17] staging: lustre: remove unused ldlm_completion_ast

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Date:   Fri, 30 Mar 2018 19:57:08 +0100 (BST)
From:   James Simmons <jsimmons@...radead.org>
To:     NeilBrown <neilb@...e.com>
cc:     Oleg Drokin <oleg.drokin@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andreas Dilger <andreas.dilger@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>
Subject: Re: [PATCH 02/17] staging: lustre: remove unused
 ldlm_completion_ast_async()


> This function is unused.

Reviewed-by: James Simmons <jsimmons@...radead.org>
 
> Signed-off-by: NeilBrown <neilb@...e.com>
> ---
>  drivers/staging/lustre/lustre/include/lustre_dlm.h |    1 -
>  drivers/staging/lustre/lustre/ldlm/ldlm_request.c  |   23 --------------------
>  2 files changed, 24 deletions(-)
> 
> diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm.h b/drivers/staging/lustre/lustre/include/lustre_dlm.h
> index 239aa2b1268f..7407acf60cf8 100644
> --- a/drivers/staging/lustre/lustre/include/lustre_dlm.h
> +++ b/drivers/staging/lustre/lustre/include/lustre_dlm.h
> @@ -1227,7 +1227,6 @@ int ldlm_lock_change_resource(struct ldlm_namespace *, struct ldlm_lock *,
>   * processing.
>   * @{
>   */
> -int ldlm_completion_ast_async(struct ldlm_lock *lock, __u64 flags, void *data);
>  int ldlm_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data);
>  /** @} ldlm_local_ast */
>  
> diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
> index c3c9186b74ce..be43958e4090 100644
> --- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
> +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
> @@ -191,29 +191,6 @@ static int ldlm_completion_tail(struct ldlm_lock *lock, void *data)
>  	return result;
>  }
>  
> -/**
> - * Implementation of ->l_completion_ast() for a client, that doesn't wait
> - * until lock is granted. Suitable for locks enqueued through ptlrpcd, of
> - * other threads that cannot block for long.
> - */
> -int ldlm_completion_ast_async(struct ldlm_lock *lock, __u64 flags, void *data)
> -{
> -	if (flags == LDLM_FL_WAIT_NOREPROC) {
> -		LDLM_DEBUG(lock, "client-side enqueue waiting on pending lock");
> -		return 0;
> -	}
> -
> -	if (!(flags & LDLM_FL_BLOCKED_MASK)) {
> -		wake_up(&lock->l_waitq);
> -		return ldlm_completion_tail(lock, data);
> -	}
> -
> -	LDLM_DEBUG(lock,
> -		   "client-side enqueue returned a blocked lock, going forward");
> -	return 0;
> -}
> -EXPORT_SYMBOL(ldlm_completion_ast_async);
> -
>  /**
>   * Generic LDLM "completion" AST. This is called in several cases:
>   *
> 
> 
>